The CPAN has come a long way in the past five years, with many new supporting web sites springing up -- see, for example, the "Other supporting websites" section in the CPAN Wikipedia entry.

The Perl QA and Testing community has made great advances in the past five years. Noteworthy here are the fanatical CPAN Testers, the envy of every other programming language; and the improvements currently underway to the Test Anything Protocol (TAP). Some links: